Behavior of protein-like N-vinylcaprolactam and N-vinylimidazole copolymers in aqueous solutions
Abstract The free-radical copolymerization of N-vinylcaprolactam and N-vinylimidazole (at an initial comonomer ratio of 85: 15, mol/mol) initiated by a persulfate-tertiary amine redox system in 10% aqueous DMSO at 25 and 65°C (at temperatures below and above the temperature of phase separation in th...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Lozinsky, V. I. [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2006 |
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| Schlagwörter: |
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| Anmerkung: |
© Pleiades Publishing, Inc. 2006 |
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| Übergeordnetes Werk: |
Enthalten in: Vysokomolekuljarnye soedinenija / A i B - Nauka/Interperiodica, 1993, 48(2006), 4 vom: Apr., Seite 435-443 |
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| Übergeordnetes Werk: |
volume:48 ; year:2006 ; number:4 ; month:04 ; pages:435-443 |
| Links: |
|---|
| DOI / URN: |
10.1134/S0965545X06040134 |
|---|
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OLC2086571178 |
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| 520 | |a Abstract The free-radical copolymerization of N-vinylcaprolactam and N-vinylimidazole (at an initial comonomer ratio of 85: 15, mol/mol) initiated by a persulfate-tertiary amine redox system in 10% aqueous DMSO at 25 and 65°C (at temperatures below and above the temperature of phase separation in the reaction system, respectively) yielded macromolecular products that were subsequently separated into thermally precipitating and nonprecipitating fractions. Investigations of these fractions by capillary viscometry, static and dynamic laser light scattering, and high-sensitivity DSC showed that macromolecules of both types of copolymers are strongly associated in aqueous solutions. Upon heating of solutions of thermally nonprecipitating fractions, additional aggregation takes place and this phenomenon is accompanied by a decrease in the size of particles without loss in their solubility until at least 70°C is reached. As for the set of properties exhibited in aqueous solutions, the thermally nonprecipitating fraction of the copolymer synthesized at 65°C may be assigned to protein-like macromolecules. | ||
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10.1134/S0965545X06040134 doi (DE-627)OLC2086571178 (DE-He213)S0965545X06040134-p DE-627 ger DE-627 rakwb eng 540 530 VZ Lozinsky, V. I. verfasserin aut Behavior of protein-like N-vinylcaprolactam and N-vinylimidazole copolymers in aqueous solutions 2006 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Pleiades Publishing, Inc. 2006 Abstract The free-radical copolymerization of N-vinylcaprolactam and N-vinylimidazole (at an initial comonomer ratio of 85: 15, mol/mol) initiated by a persulfate-tertiary amine redox system in 10% aqueous DMSO at 25 and 65°C (at temperatures below and above the temperature of phase separation in the reaction system, respectively) yielded macromolecular products that were subsequently separated into thermally precipitating and nonprecipitating fractions. Investigations of these fractions by capillary viscometry, static and dynamic laser light scattering, and high-sensitivity DSC showed that macromolecules of both types of copolymers are strongly associated in aqueous solutions. Upon heating of solutions of thermally nonprecipitating fractions, additional aggregation takes place and this phenomenon is accompanied by a decrease in the size of particles without loss in their solubility until at least 70°C is reached. As for the set of properties exhibited in aqueous solutions, the thermally nonprecipitating fraction of the copolymer synthesized at 65°C may be assigned to protein-like macromolecules. Macromolecule Copolymerization Redox System Viscometry Laser Light Scattering Simenel, I. A. aut Semenova, M. G. aut Belyakova, L. E. aut Il’in, M. M. aut Grinberg, V. Ya. aut Dubovik, A. S. aut Khokhlov, A. R. aut Enthalten in Vysokomolekuljarnye soedinenija / A i B Nauka/Interperiodica, 1993 48(2006), 4 vom: Apr., Seite 435-443 (DE-627)131210092 (DE-600)1155389-3 (DE-576)038486814 0507-5483 nnns volume:48 year:2006 number:4 month:04 pages:435-443 https://doi.org/10.1134/S0965545X06040134 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-CHE GBV_ILN_70 GBV_ILN_285 AR 48 2006 4 04 435-443 |
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10.1134/S0965545X06040134 doi (DE-627)OLC2086571178 (DE-He213)S0965545X06040134-p DE-627 ger DE-627 rakwb eng 540 530 VZ Lozinsky, V. I. verfasserin aut Behavior of protein-like N-vinylcaprolactam and N-vinylimidazole copolymers in aqueous solutions 2006 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Pleiades Publishing, Inc. 2006 Abstract The free-radical copolymerization of N-vinylcaprolactam and N-vinylimidazole (at an initial comonomer ratio of 85: 15, mol/mol) initiated by a persulfate-tertiary amine redox system in 10% aqueous DMSO at 25 and 65°C (at temperatures below and above the temperature of phase separation in the reaction system, respectively) yielded macromolecular products that were subsequently separated into thermally precipitating and nonprecipitating fractions. Investigations of these fractions by capillary viscometry, static and dynamic laser light scattering, and high-sensitivity DSC showed that macromolecules of both types of copolymers are strongly associated in aqueous solutions. Upon heating of solutions of thermally nonprecipitating fractions, additional aggregation takes place and this phenomenon is accompanied by a decrease in the size of particles without loss in their solubility until at least 70°C is reached. As for the set of properties exhibited in aqueous solutions, the thermally nonprecipitating fraction of the copolymer synthesized at 65°C may be assigned to protein-like macromolecules. Macromolecule Copolymerization Redox System Viscometry Laser Light Scattering Simenel, I. A. aut Semenova, M. G. aut Belyakova, L. E. aut Il’in, M. M. aut Grinberg, V. Ya. aut Dubovik, A. S. aut Khokhlov, A. R. aut Enthalten in Vysokomolekuljarnye soedinenija / A i B Nauka/Interperiodica, 1993 48(2006), 4 vom: Apr., Seite 435-443 (DE-627)131210092 (DE-600)1155389-3 (DE-576)038486814 0507-5483 nnns volume:48 year:2006 number:4 month:04 pages:435-443 https://doi.org/10.1134/S0965545X06040134 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-CHE GBV_ILN_70 GBV_ILN_285 AR 48 2006 4 04 435-443 |
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10.1134/S0965545X06040134 doi (DE-627)OLC2086571178 (DE-He213)S0965545X06040134-p DE-627 ger DE-627 rakwb eng 540 530 VZ Lozinsky, V. I. verfasserin aut Behavior of protein-like N-vinylcaprolactam and N-vinylimidazole copolymers in aqueous solutions 2006 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Pleiades Publishing, Inc. 2006 Abstract The free-radical copolymerization of N-vinylcaprolactam and N-vinylimidazole (at an initial comonomer ratio of 85: 15, mol/mol) initiated by a persulfate-tertiary amine redox system in 10% aqueous DMSO at 25 and 65°C (at temperatures below and above the temperature of phase separation in the reaction system, respectively) yielded macromolecular products that were subsequently separated into thermally precipitating and nonprecipitating fractions. Investigations of these fractions by capillary viscometry, static and dynamic laser light scattering, and high-sensitivity DSC showed that macromolecules of both types of copolymers are strongly associated in aqueous solutions. Upon heating of solutions of thermally nonprecipitating fractions, additional aggregation takes place and this phenomenon is accompanied by a decrease in the size of particles without loss in their solubility until at least 70°C is reached. As for the set of properties exhibited in aqueous solutions, the thermally nonprecipitating fraction of the copolymer synthesized at 65°C may be assigned to protein-like macromolecules. Macromolecule Copolymerization Redox System Viscometry Laser Light Scattering Simenel, I. A. aut Semenova, M. G. aut Belyakova, L. E. aut Il’in, M. M. aut Grinberg, V. Ya. aut Dubovik, A. S. aut Khokhlov, A. R. aut Enthalten in Vysokomolekuljarnye soedinenija / A i B Nauka/Interperiodica, 1993 48(2006), 4 vom: Apr., Seite 435-443 (DE-627)131210092 (DE-600)1155389-3 (DE-576)038486814 0507-5483 nnns volume:48 year:2006 number:4 month:04 pages:435-443 https://doi.org/10.1134/S0965545X06040134 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-CHE GBV_ILN_70 GBV_ILN_285 AR 48 2006 4 04 435-443 |
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10.1134/S0965545X06040134 doi (DE-627)OLC2086571178 (DE-He213)S0965545X06040134-p DE-627 ger DE-627 rakwb eng 540 530 VZ Lozinsky, V. I. verfasserin aut Behavior of protein-like N-vinylcaprolactam and N-vinylimidazole copolymers in aqueous solutions 2006 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Pleiades Publishing, Inc. 2006 Abstract The free-radical copolymerization of N-vinylcaprolactam and N-vinylimidazole (at an initial comonomer ratio of 85: 15, mol/mol) initiated by a persulfate-tertiary amine redox system in 10% aqueous DMSO at 25 and 65°C (at temperatures below and above the temperature of phase separation in the reaction system, respectively) yielded macromolecular products that were subsequently separated into thermally precipitating and nonprecipitating fractions. Investigations of these fractions by capillary viscometry, static and dynamic laser light scattering, and high-sensitivity DSC showed that macromolecules of both types of copolymers are strongly associated in aqueous solutions. Upon heating of solutions of thermally nonprecipitating fractions, additional aggregation takes place and this phenomenon is accompanied by a decrease in the size of particles without loss in their solubility until at least 70°C is reached. As for the set of properties exhibited in aqueous solutions, the thermally nonprecipitating fraction of the copolymer synthesized at 65°C may be assigned to protein-like macromolecules. Macromolecule Copolymerization Redox System Viscometry Laser Light Scattering Simenel, I. A. aut Semenova, M. G. aut Belyakova, L. E. aut Il’in, M. M. aut Grinberg, V. Ya. aut Dubovik, A. S. aut Khokhlov, A. R. aut Enthalten in Vysokomolekuljarnye soedinenija / A i B Nauka/Interperiodica, 1993 48(2006), 4 vom: Apr., Seite 435-443 (DE-627)131210092 (DE-600)1155389-3 (DE-576)038486814 0507-5483 nnns volume:48 year:2006 number:4 month:04 pages:435-443 https://doi.org/10.1134/S0965545X06040134 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-CHE GBV_ILN_70 GBV_ILN_285 AR 48 2006 4 04 435-443 |
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10.1134/S0965545X06040134 doi (DE-627)OLC2086571178 (DE-He213)S0965545X06040134-p DE-627 ger DE-627 rakwb eng 540 530 VZ Lozinsky, V. I. verfasserin aut Behavior of protein-like N-vinylcaprolactam and N-vinylimidazole copolymers in aqueous solutions 2006 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Pleiades Publishing, Inc. 2006 Abstract The free-radical copolymerization of N-vinylcaprolactam and N-vinylimidazole (at an initial comonomer ratio of 85: 15, mol/mol) initiated by a persulfate-tertiary amine redox system in 10% aqueous DMSO at 25 and 65°C (at temperatures below and above the temperature of phase separation in the reaction system, respectively) yielded macromolecular products that were subsequently separated into thermally precipitating and nonprecipitating fractions. Investigations of these fractions by capillary viscometry, static and dynamic laser light scattering, and high-sensitivity DSC showed that macromolecules of both types of copolymers are strongly associated in aqueous solutions. Upon heating of solutions of thermally nonprecipitating fractions, additional aggregation takes place and this phenomenon is accompanied by a decrease in the size of particles without loss in their solubility until at least 70°C is reached. As for the set of properties exhibited in aqueous solutions, the thermally nonprecipitating fraction of the copolymer synthesized at 65°C may be assigned to protein-like macromolecules. Macromolecule Copolymerization Redox System Viscometry Laser Light Scattering Simenel, I. A. aut Semenova, M. G. aut Belyakova, L. E. aut Il’in, M. M. aut Grinberg, V. Ya. aut Dubovik, A. S. aut Khokhlov, A. R. aut Enthalten in Vysokomolekuljarnye soedinenija / A i B Nauka/Interperiodica, 1993 48(2006), 4 vom: Apr., Seite 435-443 (DE-627)131210092 (DE-600)1155389-3 (DE-576)038486814 0507-5483 nnns volume:48 year:2006 number:4 month:04 pages:435-443 https://doi.org/10.1134/S0965545X06040134 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-CHE GBV_ILN_70 GBV_ILN_285 AR 48 2006 4 04 435-443 |
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Lozinsky, V. I. |
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Vysokomolekuljarnye soedinenija / A i B |
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Vysokomolekuljarnye soedinenija / A i B |
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eng |
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500 - Science |
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2006 |
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435 |
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Lozinsky, V. I. Simenel, I. A. Semenova, M. G. Belyakova, L. E. Il’in, M. M. Grinberg, V. Ya. Dubovik, A. S. Khokhlov, A. R. |
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48 |
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540 530 VZ |
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Aufsätze |
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Lozinsky, V. I. |
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10.1134/S0965545X06040134 |
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540 530 |
| title_sort |
behavior of protein-like n-vinylcaprolactam and n-vinylimidazole copolymers in aqueous solutions |
| title_auth |
Behavior of protein-like N-vinylcaprolactam and N-vinylimidazole copolymers in aqueous solutions |
| abstract |
Abstract The free-radical copolymerization of N-vinylcaprolactam and N-vinylimidazole (at an initial comonomer ratio of 85: 15, mol/mol) initiated by a persulfate-tertiary amine redox system in 10% aqueous DMSO at 25 and 65°C (at temperatures below and above the temperature of phase separation in the reaction system, respectively) yielded macromolecular products that were subsequently separated into thermally precipitating and nonprecipitating fractions. Investigations of these fractions by capillary viscometry, static and dynamic laser light scattering, and high-sensitivity DSC showed that macromolecules of both types of copolymers are strongly associated in aqueous solutions. Upon heating of solutions of thermally nonprecipitating fractions, additional aggregation takes place and this phenomenon is accompanied by a decrease in the size of particles without loss in their solubility until at least 70°C is reached. As for the set of properties exhibited in aqueous solutions, the thermally nonprecipitating fraction of the copolymer synthesized at 65°C may be assigned to protein-like macromolecules. © Pleiades Publishing, Inc. 2006 |
| abstractGer |
Abstract The free-radical copolymerization of N-vinylcaprolactam and N-vinylimidazole (at an initial comonomer ratio of 85: 15, mol/mol) initiated by a persulfate-tertiary amine redox system in 10% aqueous DMSO at 25 and 65°C (at temperatures below and above the temperature of phase separation in the reaction system, respectively) yielded macromolecular products that were subsequently separated into thermally precipitating and nonprecipitating fractions. Investigations of these fractions by capillary viscometry, static and dynamic laser light scattering, and high-sensitivity DSC showed that macromolecules of both types of copolymers are strongly associated in aqueous solutions. Upon heating of solutions of thermally nonprecipitating fractions, additional aggregation takes place and this phenomenon is accompanied by a decrease in the size of particles without loss in their solubility until at least 70°C is reached. As for the set of properties exhibited in aqueous solutions, the thermally nonprecipitating fraction of the copolymer synthesized at 65°C may be assigned to protein-like macromolecules. © Pleiades Publishing, Inc. 2006 |
| abstract_unstemmed |
Abstract The free-radical copolymerization of N-vinylcaprolactam and N-vinylimidazole (at an initial comonomer ratio of 85: 15, mol/mol) initiated by a persulfate-tertiary amine redox system in 10% aqueous DMSO at 25 and 65°C (at temperatures below and above the temperature of phase separation in the reaction system, respectively) yielded macromolecular products that were subsequently separated into thermally precipitating and nonprecipitating fractions. Investigations of these fractions by capillary viscometry, static and dynamic laser light scattering, and high-sensitivity DSC showed that macromolecules of both types of copolymers are strongly associated in aqueous solutions. Upon heating of solutions of thermally nonprecipitating fractions, additional aggregation takes place and this phenomenon is accompanied by a decrease in the size of particles without loss in their solubility until at least 70°C is reached. As for the set of properties exhibited in aqueous solutions, the thermally nonprecipitating fraction of the copolymer synthesized at 65°C may be assigned to protein-like macromolecules. © Pleiades Publishing, Inc. 2006 |
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4 |
| title_short |
Behavior of protein-like N-vinylcaprolactam and N-vinylimidazole copolymers in aqueous solutions |
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https://doi.org/10.1134/S0965545X06040134 |
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Simenel, I. A. Semenova, M. G. Belyakova, L. E. Il’in, M. M. Grinberg, V. Ya Dubovik, A. S. Khokhlov, A. R. |
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Simenel, I. A. Semenova, M. G. Belyakova, L. E. Il’in, M. M. Grinberg, V. Ya Dubovik, A. S. Khokhlov, A. R. |
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2024-07-04T10:50:48.137Z |
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